Math Riddles for Dr. Pepper (and other geniuses) Home › Forums › Decaffeinated Coffee › Math Riddles for Dr. Pepper (and other geniuses) Tagged: dr. pepper, genius, geniuses, Math, mathematician, mathematicians, mathematics, riddle, riddles This topic has 0 replies, 1 voice, and was last updated 22 hours, 57 minutes ago by ujm. Viewing 1 post (of 1 total) Author Posts January 18, 2026 4:31 pm at 4:31 pm #2500131 ujmParticipant If the integer n is greater than or equal to 2, can 4/n be written as the sum of three positive fractions? In other words, is there a solution to 4/n=1/x+1/y+1/z? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In